Out-of-band activity is activity outside a defined telecommunications
frequency band, or, metaphorically, outside of any primary
communication channel. Protection from
falsing is among its purposes.
Examples
General usage
*
Out-of-band agreement, an agreement or understanding between the communicating parties that is not included in any message sent over the channel but which is relevant for the interpretation of such messages
* More broadly, communication by any channel other than the primary channel can be considered "out-of-band". For example, given a
website's primary communication method is the
internet, out-of-band communication may be an
SMS message or even
beeps
The Business Environment and Enterprise Performance Survey (BEEPS) is an extensive economic survey undertaken as a joint initiative of the World Bank and the European Bank for Reconstruction and Development.
The BEEPS surveys are conducted in t ...
produced by a
speaker on the
server
Server may refer to:
Computing
*Server (computing), a computer program or a device that provides functionality for other programs or devices, called clients
Role
* Waiting staff, those who work at a restaurant or a bar attending customers and su ...
itself.
Telecommunications
*
Out-of-band signaling, the exchange of call control information in a separate band from the data or voice stream, or on an entirely separate, dedicated channel
Computing
*
Out-of-band data In computer networking, out-of-band data is the data transferred through a stream that is independent from the main ''in-band'' data stream. An out-of-band data mechanism provides a conceptually independent channel, which allows any data sent via th ...
, in computer networking, a separate stream of data from the main data stream
*
Out-of-band management, in computer administration, system console access, even in the event of primary network subsystem failure
* Out-of-band authentication, user authentication over a network or channel separate from the primary network or channel; used in
multi-factor authentication
* Out-of-band
software documentation, documentation that is not provided together with the software it documents. This contrasts with
Unix and
Unix-like systems, for example, where software is documented through the means of ''
on-line
In computer technology and telecommunications, online indicates a state of connectivity and offline indicates a disconnected state. In modern terminology, this usually refers to an Internet connection, but (especially when expressed "on line" or ...
'' (meaning ''
'on a main computer'
'', not ''
'over the internet)
man pages provided as a component of the
operating system.
[
* ] Out-of-band documentation, whether on
web pages or in printed form, can suffer from a mismatch regarding the version and the exact set of features that are being documented.
See also
*
In-band signaling
In telecommunications, in-band signaling is the sending of control information within the same band or channel used for data such as voice or video. This is in contrast to out-of-band signaling which is sent over a different channel, or even ov ...
*
Ident protocol
The Ident Protocol (Identification Protocol, Ident), specified iRFC 1413 is an Internet protocol that helps identify the user of a particular TCP connection. One popular daemon program for providing the ident service is identd.
Function
The ...
References
Out-of-band management
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